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Standard 6 Test Review Flashcards | StudBud

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Standard 6 Test Review

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chemistry standard 6

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Questions 10

Answers

1
Where is the mass of an atom located?
orbitals
electron cloud
nucleus
empty space
2
How do you calculate frequency?
λ/c
c/λ
c*h
λ/f
3
what kind of charge does a neutron have?
static
neutral
positive
negative
4
What did Ernest Rutherford discover?
plum pudding
orbitals
electrons
the nucleus
5
What is used to find the average atomic mass?
the most common isotopes
naturally occurring isotopes
man made isotopes
least common isotopes
6
Which one BEST describes a scientific theory?
just something I made up
an educated guess
an explanation based on facts found through repeated testing
an explanation from someone who "just knows they are right"
7
electrons have what kind of charge?
negative
postive
neutral
static
8
What is in the nucleus?
neutrons and electrons
protons and neutrons
protons and electrons
photons and electrons
9
How do you find the number of neutrons?
Atomic number - mass
electrons-mass
mass- atomic number
protons plus neutrons
10
Protons have what kind of charge?
neutral
negative
positive
static